Lamp



FIG. 1 is a perspective view of the lamp showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a side view thereof.

The broken lines shown in the drawings illustrate portions of the article that form no part of the claimed design. 

CLAIM We claim the ornamental design for a lamp, as shown and described. 